Month: May 2020

Email Delivery Issue: The account or domain may not exist, they may be blacklisted, or missing the proper DNS entries

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Email Delivery Issue: The account or domain may not exist, they may be blacklisted

Nixtree Team comes across a wide range of issues to offer appropriate solutions to our clients. There was one interesting one. Our client faced the following error, while sending mail to another domain.

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  my_test_user@test_domain.com.au
    The mail server could not deliver mail to my_test_user@test_domain.com.au. 
The account or domain may not exist, they may be blacklisted, or missing the
proper dns entries.

The first instinct is to think the domain name does not exist or does not have a MX record. Most of this is the case. While checking mx for the domain, I noticed that the MX is pointing to an IP.

#dig MX test_domain.com.au +short
192.168.0.1

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How to repair MySQL databases and tables on LINUX servers

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How to repair MySQL databases and tables on LINUX servers

In this blog, we would like to give you some useful insights on how to repair MySQL database and table. This is probably one of the most common, yet cumbersome aspects you may have to deal with on a regular basis.  As you are aware the MySQL database is updated from time by time. MySQL … Read more

How to change default PHP version in plesk

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How to change default PHP version in Plesk

In this article, we will see how we can change the default PHP version in plesk. The latest plesk versions come with all the php versions installed (we have the option to install all the php versions). So, there is no need to install a separate PHP in the server for setting the default PHP … Read more

MariaDB Upgrade breaks the cpanel mysql interface

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The mariadb upgrade breaks the cpanel mysql interface as a part of the cpanel update. Find the solutions for resolving the issue with your cPanel servers. Issue cPanel MySQL database interface breaks when MariaDB is upgraded from version MariaDB 10.3.22 to 10.3.23. cPanel -> MySQL Databases interface. This MariaDB update occurs automatically when updating cPanel with a version … Read more